Rostyslav Kordiak
Rostyslav Kordiak

Python Full-Stack Engineer

Actively looking · Member since 25 Jun 2026
Message
Location
Ukraine
Desired salary
Unspecified
Work preference
Full Time
Experience level
Not set

About

Professional summary

I am a Python Full-Stack Engineer with 3.5 years of experience building web applications. My core backend stack includes Django, DRF, and FastAPI, and I also work with JavaScript, TypeScript, React, and Next.js on the frontend.

I focus on writing scalable, maintainable code and consistently apply best practices such as SOLID, OOP, Clean Code, and Design Patterns. I enjoy building products that are useful to users and engaging for the team.

My experience includes developing platforms from scratch, creating MVPs, and improving existing systems across backend and frontend layers. I have worked on payment orchestration, subscription billing, industrial calibration systems, smart home security, and food delivery applications.

I am comfortable working with databases and infrastructure tools such as PostgreSQL, Redis, Docker, AWS, GitHub Actions, and Jenkins. I also use testing and documentation tools like Pytest, Unittest, Swagger, and Pydoc to support quality and maintainability.

I work well in Agile environments and have experience collaborating with clients, shareholders, QA engineers, and development teams. I regularly participate in Scrum events, code reviews, and cross-functional problem solving.

I am currently looking for a new project where I can continue growing my technical skills, take on more responsibility, and contribute to creative and impactful products.

Skills

24 capabilities

Experience

Career history

Python Full-Stack Engineer G-Rocks

Payment orchestration and subscription billing platform. Developed the project from scratch and created an MVP. Technologies included Python, FastAPI, PostgreSQL, Redis, Celery, TypeScript, Tailwind, React, Vite, React Hook Form, React-Query, Zod, Docker Compose, Swagger, Redoc, GitHub, and Pytest.

Python Full-Stack Engineer SPD Technology

Worked on an industrial calibration and energy systems management web platform. Developed API endpoints for calibration sessions and energy device management, built and optimized real-time dashboards, implemented automation tools, refined notifications, created tests with Pytest and TDD, communicated with the client and shareholders, participated in Scrum and code reviews, and collaborated with QA.

Python Full-Stack Engineer Delphi Software

Worked on an intelligent home security application. Developed a feature for closing the door after leaving home, implemented frontend components in React, created automation scripts for log cleanup and monitoring alerts, updated documentation, wrote unit tests, communicated with the client, participated in Scrum and code reviews, and helped QA reproduce and verify bugs.

Python Full-Stack Engineer Delphi Software

Worked on an ultra-fast food delivery application. Automated daily reports, implemented delayed delivery alerts, improved courier dashboard usability, created delivery time comparison features, fixed bugs in route and order assignment modules, communicated with the client, and participated in Scrum events and code reviews.

Education

Learning history

National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”

Bachelor of Computer Science

Ivano-Frankivsk National Technical University of Oil and Gas

Master of Software Engineering

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